Home / 10,048,483.20-13,870,028.96-7,987,156.32

Finding the Fourth Proportional to 10,048,483.20, 13,870,028.96 and 7,987,156.32

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Solution

The fourth proportional to 10,048,483.20, 13,870,028.96 and 7,987,156.32 is: 11,024,757.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,048,483.20 : 13,870,028.96 = 7,987,156.32 : x
  2. Step 2: Convert to fraction form
    10,048,483.20/13,870,028.96 = 7,987,156.32/x
  3. Step 3: Cross multiply
    10,048,483.20x = 13,870,028.96 × 7,987,156.32
  4. Step 4: Simplify right side
    10,048,483.20x = 110,782,089,466,447.03
  5. Step 5: Solve for x
    x = 110,782,089,466,447.03/10,048,483.20
  6. Step 6: Final answer
    x = 11,024,757.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.